Electronic Devices and Circuit Theory:: DC Biasing-BJTs

In a voltage-divider circuit, which one of the stability factors has the least effect on the device at very high temperature?

A. S(ICO)
B. S(VBE)
C S(β)
D. Undefined

Which of the following is (are) a stability factor?

A. S(ICO)
B. S(VBE)
C S(β)
D. All of the above

Determine ICQ at a temperature of 175 C if ICQ = 2 mA at 25 C for RB / RE = 20 due to the S(β) stability factor.

A. 2.417 mA
B. 2.392 mA
C 2.25 mA
D. 2.58 mA

It is desirable to design a bias circuit that is independent of the transistor beta.

A. True
B. False

The total time required for the transistor to switch from the "off" to the "on" state is designated as ton and defined as the delay time plus the time element.

A. True
B. False

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